Shire



(No Model.) 2 Sheets-Sheet l.

O. L. RIDGWAY.

HEATING STOVE AND FURNACE.

No. 395,352,. Patented Jan. 1, 1889 Fig. 1,.

WITNEEEES- INVE 713 64..%%. Mam t Y 6 2 t e e h S m e e h S 2 Y A W G DI D L O M d o M o m HEATING STOVE AND FURNACE. No. 395,352.

CZ gategted Jan. 1, 1889.

WITNEEEE 5- N. PETERS PhcloLilhogmphcr. Walhingfon, QC.

NlTED STATES ATENT rrrcn.

CHARLES L. RIDGWAY, OF BOSTON, MASSAOHUSETTS, ASSTGNOR TO THE RIDGlVAYFURNACE AND STOVE COMPANY, OF NASIIU'A, NE'W HAMP- SHIRE.

HEATING STOVE AND FURNACE.

SPECIFICATION forming part of Letters Patent No. 395,852, dated January1, 1889; Application filed July 27, 1835- Serial No. 172,748. (Nomodel.)

To all whom it may concern:

Be it known that 1, CHARLES L. RI'DG WA Y, of Boston, in the county ofSuffolk and State of Massachusetts, a citizen of the United States, haveinvented a new and useful Improvement in, Heating Stoves and Furnaces,of which the following is a full, clear, and exact description,reference being had to the accompanying drawings, forming a part of thisspecification, in explaining its nature.

The invention is an improvement upon that described in my patent, No.281,795, dated July 24., 1883, for improvements in heatingstoves; and itrelates especially to means for supporting the fire-pot wall and forrevolving it, and also to means for sinndtancously oscillating the grateand revolving the lire-pot wall.

Referring to the drawings, Figure l is a view in vertical transversesection of a furnace having the features of my invention. Fig. 2 is afront elevation of the base of the furnace, representing the wall of thelire-pot and the device for revolving the same and oscillating thegrate. Fig. is a view below the line in .r of Fig. l, with a portion ofthe wall of the firepot removed to bettershowthe eonscction, enlau'ged,representing the manner of supporting the lire-pot wall; and Figs. 5 and6 are detail views, hereinafter referred to.

A is the ash-pit; 1-3, the fire-pot; C,the combustion-clnnnber; 1:, theradiator-wall; c, the outer casing of the furnace; D, the lire-potinclosure or wall, which is like thatdescribed in my said patent in thatit has the vertical bars (I and vertical spaces d, the bars beingconnected at their upper and lower ends. The wall is arranged to berevolved in the chamber d immediately surroumling it, and it is sosustained or supported that it may be turned with very little friction.I have there .t'ore provided in the lower section, d, of the fire-potwall the annular recess (Z Fig. 4, for the reception of the annularangleplate (1, having the vertical part (1, the horizontal exa I tensionor flange d, and the exterior hor1zontal bearing flange or plate (Z issustained by 61 This plate d the continuous series of balls carried orsupported by the annular support, angle-piece, or holder (1, which restsupon the ledge or shoulder d, formed upon the ash-pit plate or wall (7The halls (Z ex-' tend around the base of the lirepot wall, as rep]sented in Fig. 3, and form a continuous z'mti-lriction support for theplate (Z and the fire-pot wall, and as the balls are held between theangle-plate (l and the angle-plate l they provide a double bearing forthe firepot-wall, one bcin vertical, or that which results from theflange (1 0f the plate (1 resting directly upon. the balls, and theother being lateral or horizontal, occasioned by the balls bearingagainst the vertical portion 11 of the annular angle-plate or rotarysupportingrin (1.

The lower section of the lire-pot wall has an inmtrdly-extendinglcdgc,E,which acts as a shoulder to receive and support the cylindricalcovering piece or ring c, the outwardlycxtciuling flange oru'pperportion, e, of which rests upon the ledge E. ering piece or ring extendsdownwardly very nearly to the upper surface of the grate F.

The ashes, soot, &c., from the fire will fall to some extent upon thesurface of the bearing-tlange d of the plate (1 and the bulk struction.Fig. 4 is a dei ail view, in vertical thereof is removed thereltrom asthe plate is revolved through the opening 1), Fig. 4, into the ash pit,enough of the ashes, however, remainin gin the space or joint outsidethe plate d to pack it suliicientl y to prevent air entering the chamber(1' directly from the ash-pit, while the holes D in the angle-plate dpermit the ashes or soot which may sift through the joint from time totime to fall into the ash-pit, and thus prevent them from acciinnulatinand clogging the balls.

The grate F has a central pivotal support, F, resting on the bracket orsupport f, and is thus :ulzmie'l to be oscillated horizontally thereon.The grate has also a baclnvardlyextcnx lin gar-111,1, resting on theledge fi Fig. l, and a forwardly-e. lending arm, f resting on thebracket f Figs. 1 and 2, such arms f and f serving as trunnions orpivots 011 which the grate may be tilted when desired. The arm or baraffords means for horizontal oscillation of the grate upon its centralsupport, the arm being engaged by a shaker This cylindrical covin awell-known manner, the extent of the movement being limited by the stopsf", which constitute the vertical portions of. the bracket f. The barcarries, also, the pawl G, which is arranged thereon to swing verticallyand to engage the teeth g, formed upon the under surface of the part (Zof the supporting-plate d, the pawl being weighted, so that its upperend is always in position to engage with the teeth g.

It will be seen from this description that upon the horizontal movementof the bar or rod to oscillate or shake the grate the pawl G is movedtherewith, and that its movement in one direction will cause the plate(1- and the fire-pot wall to be revolved, and that upon the reversemovement thereof the pawl will pass along the teeth to a position toagain engage with a tooth automatically, preparatory to again partiallyrevolving the plate and the wall upon the next 'l'm'ward movement of thebar or rod.

It will be apparent that, if desired, the pawl may be held. out ofengagement with the annular serrated supporting-plate, and that thegrate may then be oscillated without imparting motion to the fire-pot.

It will be understood that I do not herein broadly claim either ahorizontally-rcvoluble fire-pot wall or cylinder, an oscillating grate,or a grate which may at will be either oscillated or (lumped, being wellaware that such constructions, independently, are old.

Having thus fully describwl my invention, 1 claim and desire to secureby Letters latent of the United States 1. In a heatin stove or furnace,the combination, with the wall of the ash-pit, of a transversely-angularsupporting-ring resting upon such wall, a series of anti-frictionrollers loosely supported upon such supportingring, an annular supportresting upon the antifriction rollers, and an annular or cylindricalfire-pot resting upon the annular roller-supported support,substantially as described.

2. The combination, with the wall of an ash'pit, of an annular supportconsisting of vertical and horizontal portions, a series ofanti-friction rollers resting upon such annular support, supporting-r1ngor double-air gle plate resting upon the series of anti-trim tionrollers and covering the inner surface of the same, and a lire-potresting upon such angle-plate, substantially as specified.

3. The combination, with the wall of an ash-pit, of a recessed andperforated annular support which rests thereon, a series oi. movableanti-friction rollers which are supported at bottom and coveredexteriorl y by such perlorated annular support, a supporting-ring ordouble-angle plate which rests upon the antifriction rollers and coversthe same interiorly, and a tire-pot which rests upon the supporting-ringor double-angle plate, substantially as set forth.

4. The combination, with the wall of an ash-pit, of an annular supporthaving an exterior vertical portion and an interior horizontalperforated portion, a series of antit'riction rollers upon such annularsupport, an annular rotary plate which has a main vertical portion, anupper exterior, and a lower interior horizontal portion, and a fire-potwhich has double bearing-faces, one of which rests upon the exterior andthe other upon the interior horizontal portion of the doubleangle plate.

5. The ash-pit wall having a supportingshoulder, the perforatedsingle-angle plate, the series of anti-friction rollers, the doubleangleplate, the fire-pot provided with inner annular flange or ledge at itslower extremity, and the cylindrical. or annular covering-piece restingupon the flange or ledge and extending downwardly over the inner portionof the lire-pot and of the ('louble-angle plate, all in combimition,substantially described.

(5. The combination, with the wall of the ash-pit, of an annular supportresting upon such wall, a series of anti-friction rollers upon suchannular support, an upper annular angle-plate having a series of bottomengaging-teeth supported upon the anti-friction rollers, a fire-potresting upon such upper annular an gle-plate, and ahorizontally-oscillating grate provided with a pawl for engagement withthe bottom teeth upon the upper annular angle-plate, substantially asdescribed.

7. The combination of the ash-pit wall d, having the shoulder d theangle-plate cl, the series of balls (1, the rotary plate (1 and theSUIJGIDOSed tire-pot wall 'D, substantially as set forth.

8. The combination, in a furnace or heating-stove, ot." a rotaryfire-pot wall, a grate adapted to have an oscillating movement impartedto it, and a device connecting the grate or grate-operating mechanismwith the fire-pot wall, whereby upon the movement of the same in onedirection the fire-pot wall is caused to be revolved, all substantiallyas described.

9. The combination, in a heating stove or furnace, of a rotary fire-potwallhaving teeth g, a grate adapted to have an oscillating movementimparted to it, and a pawl carried by the grate-operatin arm or rod andarranged to engage the teeth of the tire-pot wall when it is moved inone direction, all substantially as described.

10. A heating stove or furnace which is provided with a rotary lire-potwall and with an oscillating grate which carries a pawl,

which may or may not engage the fire-pot wall to rotate the same whenthe grate is oscillated.

